An update from the CNN newsdesk in London on the stories we're following on Wednesday:

Evacuations continue: Flooding that has soaked large parts of Australia will peak Wednesday, experts say, as authorities continue to help beleaguered locals.

Ivory Coast blockade lifted: Laurent Gbagbo, self-proclaimed president of Ivory Coast, has agreed to lift a military blockade around the headquarters of rival and president-elect Alassane Ouattara. The move by Laurent Gbagbo came after talks between the nation's political rivals and African mediators.

Rare public execution: Iran executed a man in a rare public hanging in Tehran on Wednesday morning, local media reported. The man, identified only as "Yaqub," was convicted of stabbing a man to death in broad daylight in October, said the official Islamic Republic News Agency.

A United Airlines flight from Chicago to Frankfurt, Germany, was diverted to Toronto this week after the pilot dumped a cup of coffee on the plane's communication's equipment. The unwanted liquid triggered a series of emergency codes, including one for a hijacking, according to Transport Canada, the agency that regulates transportation in Canada.

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